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Diisopropylethylamine → 5-chloro-4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-N-{(1S)-2-(2,5-difluorophenyl)-1-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]ethyl}-2-thiophenecarboxamide

HRID 1845597
Notes
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Reaction equation

HRID 1845597 reaction equation
[Cl:1][C:2]1[S:6][C:5]([C:7]([OH:9])=O)=[CH:4][C:3]=1[C:10]1[N:14]([CH3:15])[N:13]=[CH:12][C:11]=1[Cl:16].[NH2:17][C@@H:18]([CH2:31][C:32]1[CH:37]=[C:36]([F:38])[CH:35]=[CH:34][C:33]=1[F:39])[CH2:19][N:20]1[C:28](=[O:29])[C:27]2[C:22](=[CH:23][CH:24]=[CH:25][CH:26]=2)[C:21]1=[O:30].FC1C=CC=C(F)C=1C[C@@H](C(O)=O)N.C1CN([P+](Br)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)(Cl)Cl>[Cl:1][C:2]1[S:6][C:5]([C:7]([NH:17][C@H:18]([CH2:19][N:20]2[C:28](=[O:29])[C:27]3[C:22](=[CH:23][CH:24]=[CH:25][CH:26]=3)[C:21]2=[O:30])[CH2:31][C:32]2[CH:37]=[C:36]([F:38])[CH:35]=[CH:34][C:33]=2[F:39])=[O:9])=[CH:4][C:3]=1[C:10]1[N:14]([CH3:15])[N:13]=[CH:12][C:11]=1[Cl:16]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 7163042,6-Difluoro-l-phenylalanineHCID 2733179PyBroPHCID 578267855-Chloro-4-(4-chloro-1-methyl-1H-pyrazol-5-yl)thiophene-2-carboxylic acidHCID 670660702-[(2S)-2-amino-3-(2,5-difluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione

Product 1

HCID 57826869
5-chloro-4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-N-{(1S)-2-(2,5-difluorophenyl)-1-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]ethyl}-2-thiophenecarboxamide
Yield 36.6%

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent

Procedure

To a 50 mL round-bottomed flask was added 5-chloro-4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (235 mg, 0.85 mmol) [prepared according to the procedure of Example 96], 2-[(2S)-2-amino-3-(2,5-difluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (290 mg, 0.82 mmol) [prepared according to the procedure of Preparation 18 except substituting 2,5-difluoro-L-phenylalanine (3.02 g, 15.0 mmol) for 2,6-difluoro-L-phenylalanine] and PyBrop (479 mg, 1.02 mmol) in chloroform (8.5 mL). DIEA (742 μL, 4.25 mmol) was added and the reaction stirred overnight at room temperature. The mixture was adsorbed onto silica and purified via column chromatography (25-70% EtOAc/Hex) affording the title compound (174 mg, 0.30 mmol, 36%): LC-MS (ES) m/z=575 (M+H)+.

Workup

  1. customprepared
  2. customprepared
  3. customaccording to the procedure of Preparation 18
  4. custompurified via column chromatography (25-70% EtOAc/Hex)

Sources & evidence

ORD record
ord-d3d8d2f3485942ca9616786a77da5364
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08946278B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes